Supplied, installed, or purchased in a condition ready for
immediate use, occupation, or operation: a turnkey computer
system; a turnkey housing project.
Of or relating to something supplied, installed, or purchased in
this manner: a turnkey agreement.
super- pref.
Above; over; upon: superimpose.
Superior in size, quality, number, or degree: superfine.
Exceeding a norm: supersaturate.
Excessive in degree or intensity: supersubtle.
Containing a specified ingredient in an unusually
high proportion: superphosphate.
More inclusive than a specified category: superorder.